/app/extra/page.php
<?php
/**
* Created by PhpStorm.
* User: Eugene.Y
* Date: 2021/6/8
* Time: 14:28
*/
namespace page;
use think\Paginator;
class page extends Paginator
{
//首页
protected function home() {
if ($this->currentPage() > 1) {
return "<a href='" . $this->url(1) . "' title='首页'>首页</a>";
} else {
return "<p>首页</p>";
}
}
//上一页
protected function prev() {
if ($this->currentPage() > 1) {
return "<a href='" . $this->url($this->currentPage - 1) . "' title='上一页'>上一页</a>";
} else {
return "<p>上一页</p>";
}
}
//下一页
protected function next() {
if ($this->hasMore) {
return "<a href='" . $this->url($this->currentPage + 1) . "' title='下一页'>下一页</a>";
} else {
return"<p>下一页</p>";
}
}
//尾页
protected function last() {
if ($this->hasMore) {
return "<a href='" . $this->url($this->lastPage) . "' title='尾页'>尾页</a>";
} else {
return "<p>尾页</p>";
}
}
//统计信息
protected function info(){
return "<p class='pageRemark'>共<b>" . $this->lastPage .
"</b>页<b>" . $this->total . "</b>条数据</p>";
}
/**
* 页码按钮
* @return string
*/
protected function getLinks()
{
$block = [
'first' => null,
'slider' => null,
'last' => null
];
$side = 3;
$window = $side * 2;
if ($this->lastPage < $window + 6) {
$block['first'] = $this->getUrlRange(1, $this->lastPage);
} elseif ($this->currentPage <= $window) {
$block['first'] = $this->getUrlRange(1, $window + 2);
$block['last'] = $this->getUrlRange($this->lastPage - 1, $this->lastPage);
} elseif ($this->currentPage > ($this->lastPage - $window)) {
$block['first'] = $this->getUrlRange(1, 2);
$block['last'] = $this->getUrlRange($this->lastPage - ($window + 2), $this->lastPage);
} else {
$block['first'] = $this->getUrlRange(1, 2);
$block['slider'] = $this->getUrlRange($this->currentPage - $side, $this->currentPage + $side);
$block['last'] = $this->getUrlRange($this->lastPage - 1, $this->lastPage);
}
$html = '';
if (is_array($block['first'])) {
$html .= $this->getUrlLinks($block['first']);
}
if (is_array($block['slider'])) {
$html .= $this->getDots();
$html .= $this->getUrlLinks($block['slider']);
}
if (is_array($block['last'])) {
$html .= $this->getDots();
$html .= $this->getUrlLinks($block['last']);
}
return $html;
}
/**
* 渲染分页html
* @return mixed
*/
public function render()
{
if ($this->hasPages()) {
if ($this->simple) {
return sprintf(
109,
'%s<div class="pagination">%s %s %s</div>',
$this->css(),
$this->prev(),
$this->getLinks(),
$this->next()
);
} else {
return sprintf(
'%s<div class="pagination">%s %s %s %s %s %s</div>',
$this->css(),
$this->home(),
$this->prev(),
$this->getLinks(),
$this->next(),
$this->last(),
$this->info()
);
}
}
}
/**
* 生成一个可点击的按钮
*
* @param string $url
* @param int $page
* @return string
*/
protected function getAvailablePageWrapper($url, $page)
{
return '<a href="' . htmlentities($url) . '" title="第"'. $page .'"页" >' . $page . '</a>';
}
/**
* 生成一个禁用的按钮
*
* @param string $text
* @return string
*/
protected function getDisabledTextWrapper($text)
{
return '<p class="pageEllipsis">' . $text . '</p>';
}
/**
* 生成一个激活的按钮
*
* @param string $text
* @return string
*/
protected function getActivePageWrapper($text)
{
return '<a href="" class="cur">' . $text . '</a>';
}
/**
* 生成省略号按钮
*
* @return string
*/
protected function getDots()
{
return $this->getDisabledTextWrapper('...');
}
/**
* 批量生成页码按钮.
*
* @param array $urls
* @return string
*/
protected function getUrlLinks(array $urls)
{
$html = '';
foreach ($urls as $page => $url) {
$html .= $this->getPageLinkWrapper($url, $page);
}
return $html;
}
/**
* 生成普通页码按钮
*
* @param string $url
* @param int $page
* @return string
*/
protected function getPageLinkWrapper($url, $page)
{
if ($page == $this->currentPage()) {
return $this->getActivePageWrapper($page);
}
return $this->getAvailablePageWrapper($url, $page);
}
/**
* 分页样式
*/
protected function css(){
return ' <style type="text/css">
.pagination p{
margin:0;
cursor:pointer
}
.pagination{
height:40px;
padding:20px 0px;
}
.pagination a{
display:block;
float:left;
margin-right:10px;
padding:2px 12px;
height:24px;
border:1px #cccccc solid;
background:#fff;
text-decoration:none;
color:#808080;
font-size:12px;
line-height:24px;
}
.pagination a:hover{
color:#077ee3;
background: white;
border:1px #077ee3 solid;
}
.pagination a.cur{
border:none;
background:#077ee3;
color:#fff;
}
.pagination p{
float:left;
padding:2px 12px;
font-size:12px;
height:24px;
line-height:24px;
color:#bbb;
border:1px #ccc solid;
background:#fcfcfc;
margin-right:8px;
}
.pagination p.pageRemark{
border-style:none;
background:none;
margin-right:0px;
padding:4px 0px;
color:#666;
}
.pagination p.pageRemark b{
color:red;
}
.pagination p.pageEllipsis{
border-style:none;
background:none;
padding:4px 0px;
color:#808080;
}
.dates li {font-size: 14px;margin:20px 0}
.dates li span{float:right}
</style>';
}
}